70931168 has 72 divisors (see below), whose sum is σ = 175489776. Its totient is φ = 27624960.

The previous prime is 70931143. The next prime is 70931173. The reversal of 70931168 is 86113907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25796 + ... + 28412.

It is an arithmetic number, because the mean of its divisors is an integer number (2437358).

Almost surely, 2^70931168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70931168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87744888).

70931168 is an abundant number, since it is smaller than the sum of its proper divisors (104558608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70931168 is a wasteful number, since it uses less digits than its factorization.

70931168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 70931168 is about 8422.0643550142. The cubic root of 70931168 is about 413.9479191100.

The spelling of 70931168 in words is "seventy million, nine hundred thirty-one thousand, one hundred sixty-eight".